Answer all questions below

1- Mention four possible functions that a BI Competency Centre (BICC) would serve within an organization, and give a brief description of each.

2- List and describe three levels or categories of analytics that are most often viewed as sequential and independent, but also occasionally seen as overlapping.

3- Describe and define Big Data. Why is a search engine a Big Data application?

4- Briefly describe four major components of the data warehousing process.

5- List five reasons for the growing popularity of data mining in the business world.

6- What are the differences between nominal, ordinal, interval and ratio data? Give examples.